1 files changed, 66 insertions, 0 deletions
diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/Editor/DependencyCheck.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/Editor/DependencyCheck.cs
new file mode 100644
index 0000000..b7f2cb1
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/Editor/DependencyCheck.cs
@@ -0,0 +1,66 @@
+// Disable the warning: "Field 'DependencyCheck.Dependency.name' is never assigned to, and will always have its default value null"
+#pragma warning disable 649
+using UnityEditor;
+using System.Linq;
+using UnityEngine;
+
+namespace Pathfinding.Util {
+	[InitializeOnLoad]
+	static class DependencyCheck {
+		struct Dependency {
+			public string name;
+			public string version;
+		}
+
+		static DependencyCheck() {
+			var missingDependencies = new Dependency[] {
+#if !MODULE_BURST
+				new Dependency {
+					name = "com.unity.burst",
+					version = "1.8.3",
+				},
+#endif
+#if !MODULE_MATHEMATICS
+				new Dependency {
+					name = "com.unity.mathematics",
+					version = "1.2.6",
+				},
+#endif
+#if !MODULE_COLLECTIONS
+				new Dependency {
+					name = "com.unity.collections",
+					version = "1.5.1",
+				},
+#endif
+				// #if !MODULE_ENTITIES
+				// new Dependency {
+				// 	name = "com.unity.entities",
+				// 	version = "1.0.0-pre.47",
+				// },
+				// #endif
+			};
+
+			if (missingDependencies.Length > 0) {
+				string missing = string.Join(", ", missingDependencies.Select(p => p.name + " (" + p.version + ")"));
+				bool res = EditorUtility.DisplayDialog("Missing dependencies", "The packages " + missing + " are required by the A* Pathfinding Project but they are not installed, or the installed versions are too old. Do you want to install the latest versions of the packages?", "Ok", "Cancel");
+				if (res) {
+					foreach (var dep in missingDependencies) {
+						UnityEditor.PackageManager.Client.Add(dep.name);
+					}
+				}
+			}
+
+			// E.g. 2023.3.0b8
+			var v = Application.unityVersion.Split('.');
+			UnityEngine.Assertions.Assert.IsTrue(v.Length >= 3, "Unity version string is not in the expected format");
+			var major = int.Parse(v[0]);
+			var minor = int.Parse(v[1]);
+			// Filter out non-digits from v[2]
+			v[2] = new string(v[2].TakeWhile(char.IsDigit).ToArray());
+			var patch = int.Parse(v[2]);
+			if (major == 2022 && minor == 3 && patch < 21) {
+				Debug.LogError("This version of Unity has a bug which causes components in the A* Pathfinding Project to randomly stop working. Please update to unity 2022.3.21 or later.");
+			}
+		}
+	}
+}